Keeping in good physical condition is a necessity if you want to stay active and lengthen your lifespan. If your excuses for exercising include "I don't have the time" or "Gyms are too expensive" there is an alternative.

According to an expert with the American Council on Exercise (Chris Gagliardi), the three most effective exercises that require NO equipment are burpees, mountain climbers, and Turkish get-ups.

The following video will show you what each of these exercises are and how to do them:

Add all three of these moves to your exercise regimen, he says, and you can count on engaging and training a more diverse set of muscles than if you spent all your gym time on machines.

(Time)